Sony Ericsson unveiled five mobile phones Monday, including a 3G high-data speed phone that offers enhanced features such as video conferencing, music and games.The announcement as rival Nokia launched seven new phones, including its own 3G phone. Sony Ericsson, a partnership of the two companies, announced the W600, a version of its Walkman music phone for at North American users; the S600, targeted for the youth market; a clamshell-shaped phone named the Z520; and the J210, for mainstream functions such as calling and writing messages. IT also unveiled a 3G phone called the K608. “This latest in the K600 family of 3G phones supports all the major operators’ 3G services, including video confer-encing and fast downloads of music, games, videos and other multimedia content,” Sony Ericsson said in a statement.Wireless analyst Gerry Purdy said many more 3G mobile phones are expected to hit the market in the next two years as carriers are able to handle the technology. “You will see 3G handsets coming out that feature high-speed data and video and other features,” said Purdy, principal analyst for MobileTrax. In addition to Sony Ericsson and Nokia, Samsung is also expecting a launch of new phones, he said. Sony Ericsson said global 3G network subscriptions are growing rapidly. “We are building our 3G portfolio to support this growth, producing handsets that effortlessly handle the diversity of services on offer,” said Jan Wareby, Corporate Executive, Vice President and Head of Sales and Marketing of Sony Ericsson. “The K608 is a classic addition to the family that consumers will immediately find appealing and intuitive.”The K608 is featured with a suite of business applications that handle personal information management and PC-synchronization via USB or Bluetooth, Sony Ericsson said. Technology Industry